java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 15:07:59,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 15:07:59,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 15:07:59,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 15:07:59,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 15:07:59,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 15:07:59,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 15:07:59,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 15:07:59,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 15:07:59,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 15:07:59,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 15:07:59,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 15:07:59,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 15:07:59,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 15:07:59,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 15:07:59,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 15:07:59,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 15:07:59,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 15:07:59,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 15:07:59,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 15:07:59,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 15:07:59,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 15:07:59,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 15:07:59,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 15:07:59,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 15:07:59,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 15:07:59,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 15:07:59,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 15:07:59,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 15:07:59,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 15:07:59,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 15:07:59,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 15:07:59,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 15:07:59,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 15:07:59,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 15:07:59,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 15:07:59,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 15:07:59,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 15:07:59,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 15:07:59,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 15:07:59,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 15:07:59,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-03 15:07:59,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 15:07:59,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 15:07:59,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 15:07:59,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 15:07:59,613 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 15:07:59,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 15:07:59,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 15:07:59,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 15:07:59,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 15:07:59,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 15:07:59,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 15:07:59,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 15:07:59,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 15:07:59,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 15:07:59,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 15:07:59,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 15:07:59,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 15:07:59,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 15:07:59,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 15:07:59,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 15:07:59,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 15:07:59,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 15:07:59,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 15:07:59,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 15:07:59,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 15:07:59,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 15:07:59,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 15:07:59,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 15:07:59,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 15:07:59,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 15:07:59,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 15:07:59,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 15:07:59,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 15:07:59,681 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 15:07:59,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22.c [2019-10-03 15:07:59,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7538c3cc/d21336bfcef8484e892c1e4903892b34/FLAGfcc4674dd [2019-10-03 15:08:00,477 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 15:08:00,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label22.c [2019-10-03 15:08:00,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7538c3cc/d21336bfcef8484e892c1e4903892b34/FLAGfcc4674dd [2019-10-03 15:08:01,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7538c3cc/d21336bfcef8484e892c1e4903892b34 [2019-10-03 15:08:01,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 15:08:01,033 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 15:08:01,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 15:08:01,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 15:08:01,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 15:08:01,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:08:01" (1/1) ... [2019-10-03 15:08:01,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36edca5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:01, skipping insertion in model container [2019-10-03 15:08:01,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:08:01" (1/1) ... [2019-10-03 15:08:01,048 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 15:08:01,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 15:08:02,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:08:02,603 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 15:08:03,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 15:08:03,276 INFO L192 MainTranslator]: Completed translation [2019-10-03 15:08:03,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03 WrapperNode [2019-10-03 15:08:03,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 15:08:03,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 15:08:03,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 15:08:03,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 15:08:03,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... [2019-10-03 15:08:03,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 15:08:03,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 15:08:03,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 15:08:03,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 15:08:03,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:08:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 15:08:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 15:08:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 15:08:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 15:08:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 15:08:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-03 15:08:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-03 15:08:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 15:08:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 15:08:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 15:08:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-03 15:08:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-03 15:08:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 15:08:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 15:08:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 15:08:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 15:08:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 15:08:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 15:08:10,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 15:08:10,409 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 15:08:10,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:08:10 BoogieIcfgContainer [2019-10-03 15:08:10,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 15:08:10,412 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 15:08:10,412 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 15:08:10,412 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 15:08:10,414 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:08:10" (1/1) ... [2019-10-03 15:08:10,415 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 15:08:10,465 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 15:08:10,465 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 15:08:10,490 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 15:08:10,503 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 15:08:10,506 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 15:08:10,849 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-10-03 15:08:11,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-10-03 15:08:12,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-10-03 15:08:12,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58